:root{font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:#e9f5fb;background:#0a3454;color-scheme:dark}*{box-sizing:border-box}body{margin:0;padding:max(12px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(14px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));min-height:100svh;background:radial-gradient(ellipse at 50% 0,#22607c,#0a3454 65%)}.game-page{max-width:840px;margin:0 auto}header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 auto 12px}h1{margin:0;font-size:clamp(20px,4vw,28px);font-weight:650}button,a{font:inherit}button{border:1px solid #a0cad6;border-radius:8px;background:#153f5a;color:#f5fcff;padding:9px 14px;cursor:pointer;min-height:40px}button:disabled{opacity:.6;cursor:progress}[hidden]{display:none!important}.stage{position:relative;width:100%;margin:auto;aspect-ratio:4/3;max-width:min(100%,calc((100svh - 190px)*4/3));background:white;overflow:hidden;border-radius:4px;box-shadow:0 12px 36px #00132166}canvas{display:block;width:100%;height:100%;touch-action:none;outline-offset:3px}#loading{position:absolute;inset:0;margin:0;display:grid;place-items:center;background:#fff;color:#173e58;text-align:center;padding:16px}.controls{display:flex;gap:10px;align-items:center;justify-content:center;flex-wrap:wrap;margin:12px auto 8px;min-height:40px}.controls p{margin:0;min-height:22px;font-size:14px}.hint{font-size:13px;color:#c3e0e9;text-align:center;line-height:1.6;margin:7px 0 12px}nav{display:flex;justify-content:center;gap:22px;margin:10px 0}a{color:#caedf7;text-underline-offset:4px}footer{text-align:center;font-size:11px;color:#9dbecb;margin:14px 0 0}@media(max-width:520px){body{padding-left:8px;padding-right:8px}.stage{max-width:100%}header{margin-bottom:9px}button{padding:8px 12px}.controls{gap:8px}.hint{padding:0 12px}}@media (max-height:450px) and (orientation:landscape){header{margin-bottom:6px}h1{font-size:18px}header button{min-height:30px;padding:5px 9px}.stage{max-width:calc((100svh - 104px)*4/3)}.hint,footer,nav{display:none}.controls{margin:6px 0;min-height:30px}.controls button{min-height:30px;padding:5px 9px}.controls p{font-size:12px}}
